24 déc. 601 av. J.-C. - Celtic Languages

Description:

Despite their small size, Celtic languages exhibit some dialectal variation;
Welsh is divided into Northern and Southern dialects by differences in pronunciation, grammar, and vocabulary.
Irish Gaelic has three major dialects: Southern, Western, and Northern.
Scottish Gaelic has several dialects, including a variety used in religious services only.
Breton has four recognizable dialects, namely: Leonais, Tregorrois, Vannetais, and Cornouaillais.